<html>
	<head>
		<link rel="stylesheet" href="./lineawesome/css/line-awesome.min.css" />
		<link rel="stylesheet" href="./speedtest.css?ver=1" />
		<meta charset="utf8" />
		<meta name="viewport" content="width=device-width, initial-scale=1" />
		<title>VDON Speed Test</title>
		<style>
			.fullscreen { 
				width:100%;
				height: calc(100% - 35px);
				position:absolute;
				left:0;
				display:block;
				background-color: #444;
				color:white;
				margin: auto;
				padding-top: 35px;
				transition: all ease-in 1s;
				animation-name: fadein;
				animation-duration: .3s;
			}
			
			@keyframes fadein {
			  0%   {opacity: 0.5;}
			  100% {opacity: 1;}
			}
			a {
				color: white;
			}
			#controls button {
				cursor: pointer;
				display: inline;
				padding: 20px;
			}
			.hidden {
				display:none!important;
			}
			body {
				text-align: center;
				height:unset;
				background: #444;
				font-family: 'Noto Sans', sans-serif;
				color:white;
			}
			h2 {
				width: 760px;
				margin: auto;
				max-width: 90%;
			}
			
			li {
				text-align: left;
			}
			
			button{
				margin: 50px auto;
				font-size: 120%;
				padding: 20px 30px;
				cursor:pointer;
			}
		</style>
	</head>
	<body>
		<div class="fullscreen" id="page1">
			<h1>
				Welcome
			</h1>
			<h2>
				This application will access your camera and complete a video test stream.
				<br />
				
				<br />
				The test will take a few minutes to complete.<br />
				<button onclick="next1();">Continue</button>⭐⭐⭐
				
			</h2>
		</div>
		<div class="fullscreen hidden" id="page2">
			
			<h2>
				Please note, for best results:<br /><br />
				<li>Connect your computer to a wired connection, instead of Wi-Fi</li><br />
				<li>Have no other applications open while running this test</li><br />
				<li>If using a laptop, connect your laptop to a power outlet</li><br />
				🌠<button onclick="next2();">Continue</button>⭐⭐
				
			</h2>
		</div>
		<div class="fullscreen hidden" id="page3">
			
			<h2>
				The next step will access your camera and microphone.<br /><br />
				<br />
				Accept the camera and microphone permissions if prompted.
				<br /><br />
				<img src='./media/accept.png'/><br />
				🌠🌠<button onclick="next3();">Continue</button>⭐
				
			</h2>
		</div>
		<div id="mainapp" class="hidden">
			<h1>
				Video and stream quality check
			</h1>
			<div id="container">
			</div>
			<div class="hidden" id="graphs">
				<div class="graph">
					<h3>Bitrate (kbps)</h3>
					<span>0</span>
					<canvas id="bitrate-graph"></canvas>
				</div>

				<div class="graph">
					<h3>Buffer delay (ms)</h3>
					<span>0</span>
					<canvas id="buffer-graph"></canvas>
				</div>

				<div class="graph">
					<h3>Packet Loss (%)</h3>
					<span>0</span>
					<canvas id="packetloss-graph"></canvas>
				</div>
			</div>
			
			<div style="display:none;" id="explanation">
				<div id="remote"></div>
				<br />
				Testing location: <select name="turnlist" id="turnlist" onchange="reloadTurn();" title="Select an exact location to test against">
				  <option selected value="">Automatic</option>
				  <option value="de1">Saarbruecken, Germany</option>
				  <option value="de2">Frankfurt, Germany</option>
				  <option value="fr1">Strasbourg, France</option>
				  <option value="bra1">São Paulo, Brazil</option>
				  <option value="pol1">Warsaw, Poland</option>
				  <option value="cae1">Montreal, Canada</option>
				  <option value="use1">Virgina, USA</option>
				  <option disabled value="usc1">Chicago, USA</option>
				  <option disabled value="usw1">Los Angeles, USA</option>
				  <option value="usw2">Oregon, USA</option>
				  <option value="aus1">Sydney, Australia</option>
				  <option value="jap1">Tokyo, Japan</option>
				  <option value="sing1">Singapore</option>
				  <option value="ind1">Mumbai, India</option>
				  <option value="pol1">Warsaw, Poland</option>
				</select>
				<br /><br /><br />
			</div>
		</div>

		<script>
		
			function getChromeVersion() {
				var raw = navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./);
				return raw ? parseInt(raw[2], 10) : false;
			}
			
			function next1(){
				document.getElementById("page1").classList.add("hidden");
				document.getElementById("page2").classList.remove("hidden");
			}
			
			function next2(){
				document.getElementById("page2").classList.add("hidden");
				document.getElementById("page3").classList.remove("hidden");
				loadIframe(region);
			}
			
			function next3(){
				document.getElementById("page3").classList.add("hidden");
				document.getElementById("mainapp").classList.remove("hidden");
				loadIframe(region);
			}
		
			(function (w) {
				w.URLSearchParams =
					w.URLSearchParams ||
					function (searchString) {
						var self = this;
						self.searchString = searchString;
						self.get = function (name) {
							var results = new RegExp("[\?&]" + name + "=([^&#]*)").exec(
								self.searchString
							);
							if (results == null) {
								return null;
							} else {
								return decodeURI(results[1]) || 0;
							}
						};
					};
			})(window);
			var urlParams = new URLSearchParams(window.location.search);
			
			var quality_reason = "";
			var encoder = "";
			var Round_Trip_Time_ms = "";
			var recordResults = false;
			
			function copyFunction(copyText) {
				alert("Log copied to the clipboard.");
				try {
					copyText.select();
					copyText.setSelectionRange(0, 99999);
					document.execCommand("copy");
				} catch (e) {
					var dummy = document.createElement("input");
					document.body.appendChild(dummy);
					dummy.value = copyText;
					dummy.select();
					document.execCommand("copy");
					document.body.removeChild(dummy);
					return false;
				}
				
			}
			
			function printValues(obj) {
				var out = "";
				for (var key in obj) {
					if (typeof obj[key] === "object") {
						out += "<br />";
						out += printValues(obj[key]);
					} else {
						if (key.startsWith("_")) {
						} else {
							out += "<b>" + key + "</b>: " + obj[key] + "<br />";
						}
					}
				}
				return out;
			}

			var logged = [];
			function logData(data) {
				logged.push(data);
			}
		
			function reloadTurn(){
				console.log("Reloading to change TURN servers");
				loadIframe(document.getElementById("turnlist").value);
			}
			
			function updateTurnlist(value){
				var select = document.getElementById("turnlist");
				var selected = select.value;
				
				select.innerHTML = "";
				
				var opt = document.createElement("option");
				opt.value = ""
				opt.title = "Choose the closest location automatically";
				opt.innerHTML = "Automatic";
				select.appendChild(opt);
				if (selected == ""){
					opt.selected = true;
				}
				
				for (var i =0;i<value.length;i++){
					var opt = document.createElement("option");
					opt.value = value[i].locale;
					opt.title = value[i].name;
					opt.innerHTML = value[i].name;
					select.appendChild(opt);
					if (selected == opt.value){
						opt.selected = true;
					}
				}
			}
			
			var eventMethod = window.addEventListener
				? "addEventListener"
				: "attachEvent";
			var eventer = window[eventMethod];
			var messageEvent = eventMethod === "attachEvent" ? "onmessage" : "message";
			var previousResolution;
			var timer= null;
			
			var statsSent = false;

			eventer(messageEvent, function (e) {
				if ("action" in e.data) {
				
					if (e.data.action == "available-speedtest-servers"){
						console.warn("Speedtest server list loaded");
						updateTurnlist(e.data.value);
					}
					
					if (e.data.action == "started-camera"){
						loadIframe2();
						document.getElementById("localVideoText").innerText =  "Local video before transmission";
					} 
					
					if (e.data.action == "new-view-connection") {
						if (timer===null){
							timer = 0;
						} else {
							return;
						}
						buttonContainer.querySelectorAll(
							"#controls button:last-child"
						)[0].style.display = "inline";
						
						
						var showdetails = document.createElement("button");
						showdetails.onclick = function(){
							document.getElementById("graphs").classList.toggle('hidden');
						}
						showdetails.innerText = "Show testing details";
						buttonContainer.appendChild(showdetails);
						
						setTimeout(function(button){
							button.click();
						}, 90000,button);
					}

					if (e.data.action == "setVideoBitrate") {
						buttonContainer.querySelectorAll("button").forEach((button) => {
							button.classList.remove("active");
						});
						if (e.data.value == 30) {
							document
								.querySelectorAll("#controls button")[0]
								.classList.add("active");
						}
						if (e.data.value == 6000) {
							document
								.querySelectorAll("#controls button")[1]
								.classList.add("active");
						}
						if (e.data.value == -1) {
							document
								.querySelectorAll("#controls button")[2]
								.classList.add("active");
						}
					}
				}
				if ("stats" in e.data) {
					var out = "";
					
					for (var someValue in e.data.stats.inbound_stats) {
						out += printValues(e.data.stats.inbound_stats[someValue]);
						if (e.data.stats.inbound_stats[someValue]){
							if (!statsSent){
								statsSent = e.data.stats.inbound_stats[someValue];
							}
						}
					}
					
					for (var someValue in e.data.stats.outbound_stats) {
						if (e.data.stats.outbound_stats[someValue].quality_limitation_reason){
							if (quality_reason != e.data.stats.outbound_stats[someValue].quality_limitation_reason) {
								quality_reason = e.data.stats.outbound_stats[someValue].quality_limitation_reason;
								logData({"QLR": quality_reason});
							}
						}
						
						if (e.data.stats.outbound_stats[someValue].encoder){
							if (encoder != e.data.stats.outbound_stats[someValue].encoder) {
								encoder = e.data.stats.outbound_stats[someValue].encoder;
								logData({"encoder":encoder});
							}
						} else if (e.data.stats.outbound_stats[someValue].video_codec){
							if (encoder != e.data.stats.outbound_stats[someValue].video_codec) {
								encoder = e.data.stats.outbound_stats[someValue].video_codec;
								logData({"encoder":encoder});
							}
						}
					}

					for (var key in e.data.stats.inbound_stats[streamID]){
						if (typeof e.data.stats.inbound_stats[streamID][key] == "object"){
							if ("Bitrate_in_kbps" in e.data.stats.inbound_stats[streamID][key]){
								var bitrate = e.data.stats.inbound_stats[streamID][key]["Bitrate_in_kbps"];
								updateData("bitrate", bitrate);
							}
							if ("Buffer_Delay_in_ms" in e.data.stats.inbound_stats[streamID][key]){
								var buffer = e.data.stats.inbound_stats[streamID][key]["Buffer_Delay_in_ms"];
								updateData("buffer", buffer);
							}
							if ("packetLoss_in_percentage" in e.data.stats.inbound_stats[streamID][key]){
								var packetloss = e.data.stats.inbound_stats[streamID][key]["packetLoss_in_percentage"];
								if (packetloss != undefined) {
									packetloss = packetloss.toFixed(2);
									updateData("packetloss", packetloss);
								}
							}

							if ("Resolution" in e.data.stats.inbound_stats[streamID][key]){
								var resolution = e.data.stats.inbound_stats[streamID][key]["Resolution"];

								if (previousResolution != resolution) {
									previousResolution = resolution;
									logData({"resolution": resolution});
								}
							}
							
						}
					}
				}
			});

			var streamID = "";
			var possible = "ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnpqrstuvwxyz23456789";
			for (var i = 0; i < 7; i++) {
				streamID += possible.charAt(
					Math.floor(Math.random() * possible.length)
				);
			}
			
			if (urlParams.has("sid")) {
				streamID = urlParams.get("sid");
			} else if (urlParams.has("push")) {
				streamID = urlParams.get("push");
			}
			
			var region = "";
			if (urlParams.has("location")) {
				region = urlParams.get("location");
			} else if (urlParams.has("region")) {
				region = urlParams.get("region");
			}
			
			<!-- <option selected value="">Automatic</option> -->
			<!-- <option value="de1">Saarbruecken, Germany</option> -->
			<!-- <option value="de2">Frankfurt, Germany</option> -->
			<!-- <option value="fr1">Strasbourg, France</option> -->
			<!-- <option value="bra1">São Paulo, Brazil</option> -->
			<!-- <option value="pol1">Warsaw, Poland</option> -->
			<!-- <option value="cae1">Montreal, Canada</option> -->
			<!-- <option value="use1">Virgina, USA</option> -->
			<!-- <option disabled value="usc1">Chicago, USA</option> -->
			<!-- <option disabled value="usw1">Los Angeles, USA</option> -->
			<!-- <option value="usw2">Oregon, USA</option> -->
			<!-- <option value="aus1">Sydney, Australia</option> -->
			<!-- <option value="jap1">Tokyo, Japan</option> -->
			<!-- <option value="sing1">Singapore</option> -->
			<!-- <option value="ind1">Mumbai, India</option> -->
			<!-- <option value="pol1">Warsaw, Poland</option> -->

			var iframe1 = document.createElement("iframe");
			
			function loadIframe(zone="") {
				// this is pretty important if you want to avoid camera permission popup problems. YOu need to load the iFRAME after  you load the parent body. A quick solution is like: <body onload=>loadIframe();"> !!!

				document.getElementById("container").innerHTML = "";

				
				var iframeContainer = document.createElement("span");

				iframe1.allow="autoplay;camera;microphone;display-capture;";
				iframe1.allowtransparency="true";
				iframe1.allowfullscreen ="true";

				//iframe.allow = "autoplay";
				var srcString =	"./?push=" + streamID + "&cleanoutput&privacy&"+testType+"&audiodevice=1&fullscreen&transparent&remote&maxbandwidth&speedtest="+zone;
				
				if (urlParams.has("turn")) {
					srcString = srcString + "&turn=" + urlParams.get("turn");
				}

				// we are changing some text on page load, just to demonstrate what's possible.
				iframe1.onload = function (e) {
					e.target.contentWindow.postMessage(
						{
							function: "changeHTML",
							target: "add_camera",
							value: "Select your Camera",
						},
						"*"
					);
				};
				iframe1.src = srcString;

				iframeContainer.appendChild(iframe1);

				var title = document.createElement("h3");
				title.innerText = "Select the camera you intend to use";
				title.id = "localVideoText";
				iframeContainer.appendChild(title);

				var feeds = document.createElement("div");
				feeds.id = "feeds";

				document.getElementById("container").appendChild(feeds);
				document.getElementById("feeds").appendChild(iframeContainer);
				
				setInterval(function (iframe1) {
					try {
						iframe1.contentWindow.postMessage({ getStats: true }, "*");
					} catch(e){
						clearInterval(this);
					}
				}, 1000, iframe1);
				
			}
			
			var buttonContainer = document.createElement("div");
			buttonContainer.id = "controls";
			var button = document.createElement("button");

			function loadIframe2(zone="") {
				
				//document.getElementById("graphs").classList.remove('hidden');
				var iframe = document.createElement("iframe");
				var iframeContainer = document.createElement("span");

				iframe.allow = "autoplay";
				var srcString = "./?view=" + streamID + "&cleanoutput&privacy&noaudio&transparent&bitrate=6000&scale=100&speedtest="+zone; // No TURN servers set on the reciever. Don't want to query for TURN servers needlessly.

				if (urlParams.has("turn")) {
					srcString = srcString + "&turn=" + urlParams.get("turn");
				}

				if (urlParams.has("buffer")) {
					srcString = srcString + "&buffer=" + urlParams.get("buffer");
				}
				
				if (urlParams.has("id")) {
					recordResults = urlParams.get("id") || false;
				} else if (urlParams.has("session")) {
					recordResults = urlParams.get("session") || false;
				}

				iframe.src = srcString;

				iframeContainer.appendChild(iframe);

				var title = document.createElement("h3");
				title.innerText = "Video after traversing the Internet";
				iframeContainer.appendChild(title);

				document.getElementById("feeds").appendChild(iframeContainer);

				var br = document.createElement("br");
				document.getElementById("container").appendChild(br);


				
				var div = document.createElement("h1");
				buttonContainer.appendChild(div);
				
				
				button.className = "red";
				//button.disabled = true;
				button.innerHTML = "Abort the test";
				
				button.style.display = "none";
				button.onclick = function (){
				
					logData(statsSent);
					
					if (!recordResults){
						recordResults = "results_"+streamID;
						document.getElementById("container").innerHTML = "<br />Link to results: <a target='_blank' href='https://vdo.ninja/alpha/results?id="+recordResults+"'>https://vdo.ninja/alpha/results?id="+recordResults+"</a><br /><br /><small><i>Results are anonymous and deleted after 7-days</i></small><br /><br /><br />Final Test Results:<br />";
						document.getElementById("graphs").classList.remove('hidden');
					} 
					var request = new XMLHttpRequest();
					request.open('POST', "https://record.vdo.workers.dev/?name="+recordResults);
					try {
						logged = JSON.stringify(logged);
					} catch(e){
						console.error(e);
					}
					request.send(logged);
					
					timer = 91;
					div.innerHTML = "Test ended";
					clearInterval(interval);
					
					try{
						if (iframe){
								iframe.contentWindow.postMessage({ close: true }, "*");
						}
						button.remove();
						iframe1.remove();
						iframe.remove();
						feeds.style.display = "none";
					} catch(e){};
				};
				buttonContainer.appendChild(button);
				document.getElementById("container").appendChild(buttonContainer);

				var interval = setInterval(function (iframe1) {
					if (timer==90){
						document.body.innerHTML = "<h1>Test complete. Thank you</h1>";
						return;
					}
					if (timer>90){
						clearInterval(interval);
						return;
					}
					if (timer == 30){
						iframe.contentWindow.postMessage({ bitrate: 4000 }, "*");
						bitrate.target = 4000;
						updateData("target", bitrate.target);
					}
					if (timer == 60){
						iframe.contentWindow.postMessage({ bitrate: 6000 }, "*");
						bitrate.target = 6000;
						updateData("target", bitrate.target);
					}
					
					if (timer!==null){
						timer+=1
						div.innerHTML = "Test completes in "+(90-timer)+" seconds";
					} 
					try {
						if (iframe1){
							iframe1.contentWindow.postMessage({ getStats: true }, "*");
						}
					} catch(e){
						clearInterval(interval);
					}
				}, 1000, iframe);
			}

		
			var testType= "webcam&quality=-1&css=speedtest.css";
			if (urlParams.has("screen") || urlParams.has("ss") || urlParams.has("screenshare") || urlParams.has("screentest")) {
				document.getElementById("screen").innerHTML = '<a href="./speedtest" style="color: #CCC;">Test webcam-streaming performance here</a>';
				testType = "quality=0&screenshare&css=speedtest.css"
			}
			
			var bitrate = {
				element: "bitrate-graph",
				data: 0,
				max: 6500,
				target: 2500,
			};
			var frames;
			var buffer = {
				element: "buffer-graph",
				data: 0,
				max: 200,
				target: 100,
			};
			var packetloss = {
				element: "packetloss-graph",
				data: 0,
				max: 3,
				target: 2,
			};

			function updateData(type, data) {
				if (type == "bitrate") {
					bitrate.data = data;
					plotData("bitrate", bitrate);
					plotData("bitrate", bitrate);
					plotData("bitrate", bitrate);
				}

				if (type == "buffer") {
					buffer.data = data;
					plotData("buffer", buffer);
					plotData("buffer", buffer);
					plotData("buffer", buffer);
				}

				if (type == "packetloss") {
					packetloss.data = data;
					plotData("packetloss", packetloss);
					plotData("packetloss", packetloss);
					plotData("packetloss", packetloss);
				}
				
				logData({[type]: data});
			}

			function plotData(type, stat) {
				var canvas;
				var context;
				var yScale;

				canvas = document.getElementById(stat.element);
				context = canvas.getContext("2d");

				if (isNaN(stat.data)) {
					stat.data = 0;
				}

				var text = (canvas.previousElementSibling.innerHTML = stat.data);

				var height = context.canvas.height;
				var width = context.canvas.width;

				var borderWidth = 5;
				var offset = borderWidth * 2;

				// Create gradient
				
				var grd = context.createLinearGradient(0, 0, 0, height);
				
				if (type == "bitrate") {
					
					if (stat.target == 2500){
						grd.addColorStop(0, "#33C433");
						grd.addColorStop(0.7, "#33C433");
						grd.addColorStop(0.8, "#F3F304");
						grd.addColorStop(0.92, "#F30404");
					} else if (stat.target == 4000){
						grd.addColorStop(0, "#33C433");
						grd.addColorStop(0.5, "#33C433");
						grd.addColorStop(0.8, "#F3F304");
						grd.addColorStop(0.92, "#F30404");
					} else if (stat.target == 6000){
						grd.addColorStop(0, "#33C433");
						grd.addColorStop(0.3, "#33C433");
						grd.addColorStop(0.8, "#F3F304");
						grd.addColorStop(0.92, "#F30404");
					}
					
				} else {
					// Higher values are red
					grd.addColorStop(0, "#F30404");
					grd.addColorStop(0.3, "#F3F304");
					grd.addColorStop(0.7, "#33C433");
				}

				context.strokeStyle = "white";
				context.fillStyle = grd;
				//context.fillStyle = "#009933";
				//context.imageSmoothingEnabled = true;

				yScale = height / stat.max;

				if (stat.data > stat.max) {
					stat.data = stat.max;
				}

				if (type == "packetloss" && stat.data == 0.0) {
					stat.data = 0.1;
				}

				var x = width - 1;
				var y = height - stat.data * yScale;
				var w = 1;

				context.fillStyle = grd;
				context.fillRect(x, y, w, height);

				// shift everything to the left:
				var imageData = context.getImageData(1, 0, width - 1, height);
				context.putImageData(imageData, 0, 0);
				// now clear the right-most pixels:
				context.clearRect(width - 1, 0, 1, height);
			}
		</script>
	</body>
</html>
